CN106553134A - A kind of grinding wheel and preparation method thereof - Google Patents

A kind of grinding wheel and preparation method thereof Download PDF

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Publication number
CN106553134A
CN106553134A CN201611097276.1A CN201611097276A CN106553134A CN 106553134 A CN106553134 A CN 106553134A CN 201611097276 A CN201611097276 A CN 201611097276A CN 106553134 A CN106553134 A CN 106553134A
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CN
China
Prior art keywords
abrasive material
grinding wheel
ball milling
wheel according
powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611097276.1A
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Chinese (zh)
Inventor
樊永君
陈世杰
田绍洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DDA SHENGJIE VACUUM TECHNIQUES DEVELOP Co Ltd
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DDA SHENGJIE VACUUM TECHNIQUES DEVELOP Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by DDA SHENGJIE VACUUM TECHNIQUES DEVELOP Co Ltd filed Critical DDA SHENGJIE VACUUM TECHNIQUES DEVELOP Co Ltd
Priority to CN201611097276.1A priority Critical patent/CN106553134A/en
Publication of CN106553134A publication Critical patent/CN106553134A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0072Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/009Tools not otherwise provided for

Abstract

The present invention discloses a kind of new emery wheel prepared by complex abrasion-proof abrasive material and preparation method thereof, it is prepared from through special process by the wearing layer complex abrasion-proof abrasive material, specific preparation method includes, after weighing the mixing of abrasive material raw material according to a certain percentage respectively, carry out mixing and ball milling, cool down after sintering in being filled with graphite jig, graphite jig of the mould for positive tetrahedron, and the size of the black mould can be established as plurality of specifications as needed, through emery wheel product prepared by the method for the invention, its processing technology is simple, abrasive material intensity is high, have wide practical use.

Description

A kind of grinding wheel and preparation method thereof
Technical field
The invention belongs to abrasive techniques field, and in particular to emery wheel and its preparation side prepared by a kind of complex abrasion-proof abrasive material Method.
Background technology
Abrasive material is to manufacture the essential material of each sophisticated product.Industrially apply widely, particularly When the part or especially hard part of machining high-precision or low roughness, abrasive material and grinding tool are requisite.In many technologies There is an extensive demand in field, such as the cutting, piston ring and cylinder, valve and valve seat to the sharpening and stiff materials of cutter It is fitted close, the precision of variator and gear, deburring of a large amount of parts etc. are that various tool processes save process time, carry High production rate, improves product precision etc..In recent years, the production technology of abrasive material significantly improves.Many natural abrasives, Replaced by manufactured abrasive.But, as requirement of the every profession and trade to abrasive material material is improved constantly, therefore, develop sharpness more Height, comprcssive strength are high, and more preferably, grinding efficiency is higher, the abrasive material of long service life, will be widely used in for grinding quality Each correlative technology fields such as grinding, cutting, milling tools.
The content of the invention
By solving the technical scheme that adopts of above-mentioned technical problem it is:The emery wheel by complex abrasion-proof abrasive material, engaged Cross layer, body composition.The engagement transition layer is fixed in emery wheel for the effect that abrasive material is fixedly connected with body On, to carry out grinding, technical program of the present invention lies in disclosing emery wheel and its system prepared by a kind of complex abrasion-proof abrasive material Preparation Method, specific preparation method are as follows:
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
40~70wt% polycrystalline diamonds or natural diamond abrasive material, 10~15wt% cubic boron nitrides or polycrystalline cubic nitrogen Change boron abrasive material, 10~15wt% silicon carbide abrasives, 0~15wt% nichrome powder, 3~8wt% boron carbide abrasive materials, 1~5wt% Graphite powder, 3~8wt% potassium oxide, 3~8wt% Zinc Oxide, 1~5wt% sodium hydrogen carbonate powders, 1~5wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%.
In the embodiment of the present invention, the granularity of polycrystalline diamond used or natural diamond abrasive material is 200~400nm;It is vertical The granularity of square boron nitride or polycrystalline cubic boron nitride abrasive material is 100~250nm;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 500~1000r/min, and rotating replaces ball milling 2~5 hours;In the embodiment of the present invention, in order to reach To less granularity requirements, ball milling speed used is 1000r/min, and rotating replaces ball milling 5 hours.
(3) mixture that step (2) is weighed is packed in graphite jig:
Abrasive powder is packed in the graphite jig of positive tetrahedron, is filled with overflowing mode, and it is unnecessary to remove upper surface Powder body;The size of the black mould can be established as plurality of specifications as needed, for example:The granularity of positive tetrahedron is external according to which Bulb diameter meter, is 20~200 μm;Those skilled in the art can also be required according to actual abrasive grain, without departing from this In the case of technical scheme shown in bright, suitably adjusted.
(4) cool down after sintering:
The mixture that step (3) is weighed is sintered, sintering temperature is 700-950 DEG C, regulation pressure is 10-25Mpa, Temperature retention time 10-25min, last furnace cooling.
Specifically, in preferred technical scheme, the temperature of the sintering is with the ramp of 5~8 DEG C/min.
(5) solder brazing
Complex abrasion-proof abrasive material obtained by step (4) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti Solder carries out soldering to the complex abrasion-proof abrasive material obtained by step (4) and emery wheel body, and the condition of soldering is:Under vacuum, Respectively at a temperature of 280~320 DEG C, 850-900 DEG C, 280~320 DEG C, after being incubated 20~30min respectively, then furnace cooling is Obtain wear-resisting emery wheel of the present invention.
In for above-mentioned technical proposal, it is preferred in the case of, in the Cu-Sn-Ti solders containing 85~70wt%Cu, 15 ~20wt%Sn, 1~10wt%Ti, 0.001~0.1wt% mischmetals.
In for above-mentioned technical proposal, it is preferred in the case of, the granule mean size of the solder raw material is 350~550 Mesh.
The present invention character of innovation be:
1) processing technology is simple, can be widely used for being ground, cuts, each correlative technology field such as milling tools.
2) multiple grinding specification can be established as needed, adapt to field wide;
3) using the method for the invention prepare wear-resisting emery wheel, its trimming sharpness compared with conventional abrasives layer improve 8% with On, comprcssive strength improves at least 15%, and good grinding quality, efficiency improve, moreover it is possible to reduce production cost.
Description of the drawings
Fig. 1:The structural representation of the wear-resisting emery wheel with complex abrasion-proof abrasive material;Wherein:1. complex abrasion-proof abrasive material, 2. Engagement transition layer, 3. body.
Specific embodiment
Following non-limiting examples can make one of ordinary skill in the art be more fully understood the present invention, but not with Any mode limits the present invention.Any those familiar with the art in the technical scope of present disclosure, according to Technical scheme and its inventive concept carry out equivalent or change belongs to protection category of the present invention.
Embodiment 1
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
60wt% polycrystalline diamonds or natural diamond abrasive material, 10wt% cubic boron nitrides or polycrystalline cubic boron nitride mill Material, 10wt% silicon carbide abrasives, 6wt% nichrome powder, 3wt% boron carbide abrasive materials, 2wt% graphite powders, 3wt% potassium oxide, 3wt% Zinc Oxide, 2wt% sodium hydrogen carbonate powders, 1wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%.
The granularity of polycrystalline diamond used or natural diamond abrasive material is 200~400nm;Cubic boron nitride or glomerocryst are vertical The granularity of square boron nitride abrasive materials is 100~250nm;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 800r/min, and rotating replaces ball milling 3 hours;
(3) mixture that step (2) is weighed is packed in graphite jig:
Abrasive powder is packed in the graphite jig of positive tetrahedron, is filled with overflowing mode, and it is unnecessary to remove upper surface Powder body;The size of the black mould can be established as plurality of specifications as needed, and the granularity of the present embodiment positive tetrahedron is according to which External bulb diameter meter, is 200 μm;
(4) cool down after sintering:
The mixture that step (3) is weighed is sintered, sintering temperature is 950 DEG C, and regulation pressure is 20Mpa, during insulation Between 15min, last furnace cooling.
Specifically, in preferred technical scheme, the temperature of the sintering is with the ramp of 8 DEG C/min.
(5) solder brazing
Complex abrasion-proof abrasive material obtained by step (4) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti Solder carries out soldering to the complex abrasion-proof abrasive material obtained by step (4) and emery wheel body, and the condition of soldering is:Under vacuum, Respectively at a temperature of 300 DEG C, 850 DEG C, 300 DEG C, after being incubated 20~30min respectively, then furnace cooling obtains of the present invention Wear-resisting emery wheel.
Contain 75wt%Cu, 15wt%Sn, 9.9wt%Ti, 0.1wt% mischmetal in the Cu-Sn-Ti solders.Institute The granule mean size for stating solder raw material is 350~550 mesh.
Test through standard detecting method, the intensity of abrasive material prepared by the method for the invention is up to 280MPa.
Embodiment 2
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
50wt% polycrystalline diamonds or natural diamond abrasive material, 15wt% cubic boron nitrides or polycrystalline cubic boron nitride mill Material, 10wt% silicon carbide abrasives, 9wt% nichrome powder, 5wt% boron carbide abrasive materials, 2wt% graphite powders, 3wt% potassium oxide, 3wt% Zinc Oxide, 2wt% sodium hydrogen carbonate powders, 1wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%.
The granularity of polycrystalline diamond used or natural diamond abrasive material is 200~400nm;Cubic boron nitride or glomerocryst are vertical The granularity of square boron nitride abrasive materials is 100~250nm;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 1000r/min, and rotating replaces ball milling 5 hours;
(3) mixture that step (2) is weighed is packed in graphite jig:
Abrasive powder is packed in the graphite jig of positive tetrahedron, is filled with overflowing mode, and it is unnecessary to remove upper surface Powder body;The size of the black mould can be established as plurality of specifications as needed, in the present embodiment, the granularity of positive tetrahedron according to Its external bulb diameter meter, is 100 μm;
(4) cool down after sintering:
The mixture that step (3) is weighed is sintered, sintering temperature is 850 DEG C, and regulation pressure is 15Mpa, during insulation Between 25min, last furnace cooling.
Specifically, in preferred technical scheme, the temperature of the sintering is with the ramp of 8 DEG C/min.
(5) solder brazing
Complex abrasion-proof abrasive material obtained by step (4) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti Solder carries out soldering to the complex abrasion-proof abrasive material obtained by step (4) and emery wheel body, and the condition of soldering is:Under vacuum, Respectively at a temperature of 350 DEG C, 850 DEG C, 350 DEG C, after being incubated 25min respectively, then furnace cooling obtains of the present invention resistance to Grinding abrasive disk.
Contain 75wt%Cu, 15wt%Sn, 9.9wt%Ti, 0.1wt% mischmetal in the Cu-Sn-Ti solders.Institute The granule mean size for stating solder raw material is 550 mesh.
Test through standard detecting method, the intensity of abrasive material prepared by the method for the invention is up to 260MPa.
Embodiment 3
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
55wt% polycrystalline diamonds or natural diamond abrasive material, 10wt% cubic boron nitrides or polycrystalline cubic boron nitride mill Material, 12wt% silicon carbide abrasives, 7wt% nichrome powder, 5wt% boron carbide abrasive materials, 2wt% graphite powders, 3wt% potassium oxide, 3wt% Zinc Oxide, 2wt% sodium hydrogen carbonate powders, 1wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%.
In the embodiment of the present invention, the granularity of polycrystalline diamond used or natural diamond abrasive material is 200~400nm;It is vertical The granularity of square boron nitride or polycrystalline cubic boron nitride abrasive material is 100~250nm;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 1000r/min, and rotating replaces ball milling 5 hours;
(3) mixture that step (2) is weighed is packed in graphite jig:
Abrasive powder is packed in the graphite jig of positive tetrahedron, is filled with overflowing mode, and it is unnecessary to remove upper surface Powder body;The size of the black mould can be established as plurality of specifications as needed, and in the present embodiment, the granularity of positive tetrahedron is pressed According to its external bulb diameter meter, it is 120 μm;Those skilled in the art can also be required according to actual abrasive grain, without departing from In the case of technical scheme shown in of the invention, suitably adjusted.
(4) cool down after sintering:
The mixture that step (3) is weighed is sintered, sintering temperature is 950 DEG C, and regulation pressure is 15Mpa, during insulation Between 25min, last furnace cooling.
Specifically, in preferred technical scheme, the temperature of the sintering is with the ramp of 5 DEG C/min.
(5) solder brazing
Complex abrasion-proof abrasive material obtained by step (4) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti Solder carries out soldering to the complex abrasion-proof abrasive material obtained by step (4) and emery wheel body, and the condition of soldering is:Under vacuum, Respectively at a temperature of 300 DEG C, 800 DEG C, 350 DEG C, after being incubated 30min respectively, then furnace cooling obtains of the present invention resistance to Grinding abrasive disk.
Contain 75wt%Cu, 15wt%Sn, 9.9wt%Ti, 0.1wt% mischmetal in the Cu-Sn-Ti solders.Institute The granule mean size for stating solder raw material is 350 mesh.
Test through standard detecting method, the intensity of abrasive material prepared by the method for the invention is up to 290MPa.

Claims (10)

1. the grinding wheel that prepared by a kind of complex abrasion-proof abrasive material, it is characterised in that:Its specific preparation method is as follows:
(1) mixing of abrasive material raw material is weighed respectively according to following ratios:
40~70wt% polycrystalline diamonds or natural diamond abrasive material, 10~15wt% cubic boron nitrides or polycrystalline cubic boron nitride Abrasive material, 10~15wt% silicon carbide abrasives, 0~15wt% nichrome powder, 3~8wt% boron carbide abrasive materials, 1~5wt% graphite Powder, 3~8wt% potassium oxide, 3~8wt% Zinc Oxide, 1~5wt% sodium hydrogen carbonate powders, 1~5wt% ferrum oxides.
In the nichrome powder, the content of chromium is 40wt%;
(2) raw material that step (1) is weighed is carried out mixing and ball milling, ball milling condition is as follows:
Ball milling speed is 500~1000r/min, and rotating replaces ball milling 2~5 hours;
(3) cool down after sintering:
The mixture abrasive powder that step (2) is weighed is packed in the graphite jig of positive tetrahedron, is sintered, sintering temperature is 700-950 DEG C, regulation pressure be 10-25Mpa, temperature retention time 10-25min, last furnace cooling.
(4) solder brazing
Complex abrasion-proof abrasive material obtained by step (3) and emery wheel body are fixed in vacuum brazing furnace, using Ag-Cu-Ti solders Soldering is carried out to the complex abrasion-proof abrasive material obtained by step (3) and emery wheel body.
2. grinding wheel according to claim 1, it is characterised in that:Polycrystalline diamond used or natural diamond abrasive material Granularity be 200~400nm;The granularity of cubic boron nitride or polycrystalline cubic boron nitride abrasive material is 100~250nm.
3. grinding wheel according to claim 1, it is characterised in that:Ball milling speed used be 1000r/min, rotating Replace ball milling 5 hours.
4. grinding wheel according to claim 1, it is characterised in that:The described stone that abrasive powder is packed into positive tetrahedron In black mould, filled with overflowing mode, and remove the unnecessary powder body of upper surface.
5. grinding wheel according to claim 1, it is characterised in that:The granularity of described positive tetrahedron is according to its circumsphere Diameter is calculated as 20~200 μm.
6. grinding wheel according to claim 1, it is characterised in that:The granularity of described positive tetrahedron is according to its circumsphere Diameter is calculated as 150~200 μm.
7. grinding wheel according to claim 1, it is characterised in that:The temperature of the sintering is with the speed of 5~8 DEG C/min Rate heats up.
8. grinding wheel according to claim 1, it is characterised in that:The condition of the soldering is:Under vacuum, divide Not at a temperature of 280~320 DEG C, 850-900 DEG C, 280~320 DEG C, after being incubated 20~30min respectively, then furnace cooling.
9. grinding wheel according to claim 1, it is characterised in that:Contain 85~70wt% in the Cu-Sn-Ti solders Cu, 15~20wt%Sn, 1~10wt%Ti, 0.001~0.1wt% mischmetals.
10. grinding wheel according to claim 9, it is characterised in that:The granule of the Cu-Sn-Ti solders raw material is average Size is 350~550 mesh.
CN201611097276.1A 2016-12-02 2016-12-02 A kind of grinding wheel and preparation method thereof Pending CN106553134A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107457713A (en) * 2017-10-19 2017-12-12 柳州凯通新材料科技有限公司 A kind of skive material
CN107650033A (en) * 2017-11-08 2018-02-02 苏州刘爱英科技信息咨询有限公司 The manufacture method of polycrystal diamond cutter special grinding wheel
CN108857949A (en) * 2017-05-16 2018-11-23 深圳市沃福泰克科技有限公司 The manufacturing method of skive
CN116920642A (en) * 2023-09-14 2023-10-24 苏州优晶光电科技有限公司 Mixing method for solid phase synthesis of silicon carbide and synthesis method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060048454A1 (en) * 2002-07-26 2006-03-09 3M Innovative Properties Company Abrasive product
CN103203453A (en) * 2013-03-26 2013-07-17 大连理工大学 Grinding wheel manufacturing method of edge-sharpening single crystal diamond tool
CN103231064A (en) * 2013-04-28 2013-08-07 中原工学院 Manufacturing method for novel nickel base solder brazing monolayer diamond grinding wheel
JP5305214B2 (en) * 2006-10-06 2013-10-02 日本電気硝子株式会社 End face processing method of plate glass
CN103381481A (en) * 2012-05-03 2013-11-06 湖南科技大学 Diamond fiber, as well as manufacturing method and application thereof
CN104440605A (en) * 2014-11-11 2015-03-25 河南富耐克超硬材料股份有限公司 Polygonal superhard abrasive compound and method for manufacturing abrasive tool with same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060048454A1 (en) * 2002-07-26 2006-03-09 3M Innovative Properties Company Abrasive product
JP5305214B2 (en) * 2006-10-06 2013-10-02 日本電気硝子株式会社 End face processing method of plate glass
CN103381481A (en) * 2012-05-03 2013-11-06 湖南科技大学 Diamond fiber, as well as manufacturing method and application thereof
CN103203453A (en) * 2013-03-26 2013-07-17 大连理工大学 Grinding wheel manufacturing method of edge-sharpening single crystal diamond tool
CN103231064A (en) * 2013-04-28 2013-08-07 中原工学院 Manufacturing method for novel nickel base solder brazing monolayer diamond grinding wheel
CN104440605A (en) * 2014-11-11 2015-03-25 河南富耐克超硬材料股份有限公司 Polygonal superhard abrasive compound and method for manufacturing abrasive tool with same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108857949A (en) * 2017-05-16 2018-11-23 深圳市沃福泰克科技有限公司 The manufacturing method of skive
CN108857949B (en) * 2017-05-16 2020-02-11 深圳市威雄精机有限公司 Method for manufacturing diamond grinding wheel
CN107457713A (en) * 2017-10-19 2017-12-12 柳州凯通新材料科技有限公司 A kind of skive material
CN107650033A (en) * 2017-11-08 2018-02-02 苏州刘爱英科技信息咨询有限公司 The manufacture method of polycrystal diamond cutter special grinding wheel
CN116920642A (en) * 2023-09-14 2023-10-24 苏州优晶光电科技有限公司 Mixing method for solid phase synthesis of silicon carbide and synthesis method
CN116920642B (en) * 2023-09-14 2024-01-19 苏州优晶光电科技有限公司 Mixing method for solid phase synthesis of silicon carbide and synthesis method

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